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comparison src/DLD-FUNCTIONS/hess.cc @ 4684:5b8fcfaa8136

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[project @ 2004-01-05 21:02:29 by jwe]
author jwe
date Mon, 05 Jan 2004 21:02:29 +0000
parents ab7fa5a8f23f
children 23b37da9fd5b
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4683:a3a306af7292 4684:5b8fcfaa8136
40 @cindex Hessenberg decomposition\n\ 40 @cindex Hessenberg decomposition\n\
41 Compute the Hessenberg decomposition of the matrix @var{a}.\n\ 41 Compute the Hessenberg decomposition of the matrix @var{a}.\n\
42 \n\ 42 \n\
43 The Hessenberg decomposition is usually used as the first step in an\n\ 43 The Hessenberg decomposition is usually used as the first step in an\n\
44 eigenvalue computation, but has other applications as well (see Golub,\n\ 44 eigenvalue computation, but has other applications as well (see Golub,\n\
45 Nash, and Van Loan, IEEE Transactions on Automatic Control, 1979. The\n\ 45 Nash, and Van Loan, IEEE Transactions on Automatic Control, 1979). The\n\
46 Hessenberg decomposition is\n\ 46 Hessenberg decomposition is\n\
47 @iftex\n\ 47 @iftex\n\
48 @tex\n\ 48 @tex\n\
49 $$\n\ 49 $$\n\
50 A = PHP^T\n\ 50 A = PHP^T\n\